diff options
| author |   Linus Walleij <linus.walleij@linaro.org> | 2018-12-06 13:43:42 +0100 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2018-12-11 01:04:04 +0000 |
| commit | fe6c473e3e41114301bfbf5710be56bf0eb233dc (patch) | |
| tree | 856ff4dd4f4b8cf119d6b39102135310726205fb /drivers/gpio | |
| parent | regulator: max8952: Let core handle GPIO descriptor (diff) | |
| download | linux-dev-fe6c473e3e41114301bfbf5710be56bf0eb233dc.tar.xz linux-dev-fe6c473e3e41114301bfbf5710be56bf0eb233dc.zip | |
gpio: Export gpiod_get_from_of_node()
This function already exist inside gpiolib, we were just
reluctant to make it available to the kernel at large as
the devm_* seemed to be enough for anyone.
However we found out that regulators need to do their own
lifecycle/refcounting on GPIO descriptors and explicitly
call gpiod_put() when done with a descriptor, so export
this function so we can hand the refcounting over to the
regulator core for these descriptors after retrieveal.
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/gpio')
| -rw-r--r-- | drivers/gpio/gpiolib.h | 6 |
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h index 087d865286a0..bc57f0dc5953 100644 --- a/drivers/gpio/gpiolib.h +++ b/drivers/gpio/gpiolib.h @@ -201,12 +201,6 @@ int gpiod_set_array_value_complex(bool raw, bool can_sleep, struct gpio_array *array_info, unsigned long *value_bitmap); -/* This is just passed between gpiolib and devres */ -struct gpio_desc *gpiod_get_from_of_node(struct device_node *node, - const char *propname, int index, - enum gpiod_flags dflags, - const char *label); - extern struct spinlock gpio_lock; extern struct list_head gpio_devices; |